Obs and Gynae Flashcards
What is the definition of pre-eclampsia?
High blood pressure after 20 weeks gestation >140/90
Proteinuria
Signs of other organ failure (renal, liver, neurological etc).
Personal Hx, Chronic HTN, Nulliparity and Maternal age over 40 are some risk factors for Pre-eclampsia: Name 8 more.
10 years between pregnancies
Previous HTN in pregnancy
Diabetes
Chronic Kidney Disease
Family hx
Multiple pregnancy
BMI over 35
Autoimmune conditions
Headaches and visual disturbance are two of the symptoms of pre-eclampsia, name 3 more.
Hyperreflexia
Peripheral oedema
Epigastric or RUQ pain
Intrauterine growth restriction is a foetal complication of pre-eclampsia, name two more foetal complications.
Intrauterine death
Prematuiry
Seizures (eclampsia) is a maternal complication of pre-eclampsia, name 3 more.
Death
Haemorrhage: post-partum, intracerebral
HELLP syndrome
When should pregnant women be prescribed prophylactic treatment for pre-eclampsia and what is this?
If they have 1 high risk factor or 2 moderate risk factors.
High dose aspirin (75-150mg) every day from week 12 of the pregnancy.
If a pregnant lady presents with a blood pressure of 150/90 what should she be prescribed, when would this be contraindicated and what would be prescribed instead?
Labetalol
IF the lady has asthma -> nifedipine
If the lady develops eclampsia what should be prescribed, what needs monitoring after this prescription and what is the antidote incase of overdose?
IV magnesium sulphate (4g)
Relfexes, respiratory rate, urine output and oxygen sats.
Calcium gluconate
How long should the treatment for eclampsia continue?
For 24 hours after the last seizure or delivery of the baby - dependent on whether the mother continues to seize after the birth.
What should be done about fluids in the management of severe pre-eclampsia?
Fluid restriction to avoid fluid overload (dysfunctioning kidneys).
When is same-day delivery an option in the management of severe pre-eclampsia?
After 34 weeks gestation.
Other than IV labetalol what can be used to reduce blood pressure during delivery for a women with pre-eclampsia?
Epidural
The ampulla is the most common location for an ectopic pregnancy, where is the most dangerous location?
Isthmus
Abdominal pain and bleeding are two symptoms of ectopic pregnacies, name 2 more.
Shoulder tip pain
Dizziness and/or syncope
Abdominal tenderness is a common finding on examination of a patient with an ectopic pregnancy, what is another finding?
Cervical excitation
PID, previous hx of ectopic and endometriosis are some risk factors for ectopic pregnancies, name 3 more.
Progesterone only pill
Copper IUD
IVF
What is the medical management of an ectopic pregnancy?
Methotrexate
> /= 35mm and pain are two indications for surgical management of an ectopic pregnancy, name 3 more indications.
Visible heartbeat
Rupture
Beta HCG over 5000IU/L
When is a salpingotomy the preferred method of surgery over a salpingecotomy?
When the patient only has one viable fallopian tube, to preserve fertility.
BMI >30 and previous hx are two risk factors for gestational diabetes, name 3 more.
First-degree relative with diabetes
Previous macrosomia (over 4.5kg)
Family origin of high prev (south-asian, afro-caribbean or middle eastern).
When should women with a previous hx of GD recieve OGTT?
As soon as possible after booking and then if normal again at 24-28 weeks.
Who should also receive an OGTT at 24-28 weeks?
Women with risk factors for GD.
When should women be started on insulin?
If they have a fasting glucose of over 7mmol/L on booking or they have trialled diet and exercise (with the addition of metformin) and this is unsuccessful.
Weight loss (over 27kg/m2) is one of the management strategies for women with pre-existing diabetes whilst they are pregnant, what else should be included in the management?
Stop diabetic medications other than metformin and begin short-acting insulin.
Folic acid 5mg from before conception to 12 weeks gestation.
Detailed 20 week anomaly scan with emphasis on cardiac function.
Close monitoring and potential treatment of retinopathy (can worsen during pregnancy).
Tight glycaemic control.
Nulliparity, early menarche, late menopause, unopposed oestrogen are 4 risk factors for endometrial cancer, name 5 more.
Obesity
Diabetes
PCOS
Tamoxifen
Hereditary non-polyposis colorectal carcinoma
The COCP is protective against endometrial cancer, name 2 more protective factors.
Multiparity
Smoking
What is the indication for referral for 2WW with endometrial cancer, and what investigations are done?
55 and over who present with postmenopausal bleeding.
TVUS
Hysteroscopy with endometrial biopsy.
What surgery is suitable for endometrial cancer?
Total abdominal hysterectomy with bilateral salpingo-oophorectomy.
What are the three elements of the Rotterdam criteria?
Oligoovulation or anovulation (irregular or absent periods)
Hyperandrogenism (hirsuitism + acne)
Polycystic ovaries on USS
Oligomenorrhoea, infertility, obesity, hirsuitism, acne and hair loss (male pattern) are all common features of PCOS, name 8 more features and/or complications that may be present in a patient with PCOS.
Cardiovascular disease
Ancanthosis nigricans
Insulin resistance and diabetes
Hypercholesterolaemia
Endometrial hyperplasia and cancer
Obstructive sleep apnoea
Depression and anxiety
Sexual problems
What are some differential diagnoses for hirsuitism?
Medications
Ovarian or adrenal tumours
Cushing’s syndrome
Congenital adrenal hyperplasia
Testosterone, LH and FSH are measured in patients with suspected PCOS, name 3 more blood tests that should be carried out.
Thyroid function tests
Sex hormone-binding globulin
Prolactin (may be milding elevated in PCOS)
In PCOS which is higher LH or FSH?
LH
What ovarian volume (even with the absence of cysts) can indicate polycystic ovarian syndrome?
10cm3
What is the characteristic appearance of PCOS on USS?
String of pearls
Weight loss is one of the management strategies for PCOS, name 5 more.
Calorie-controlled diet
Exercise
Smoking cessation
Antihypertensive medications (where required)
Statins (where indicated QRISK score over 10%)
Hirsuitism is one of the associated features that needs to be assessed and managed in PCOS, name 5 more.
Acne
Obstructive Sleep apnoea
Depression and anxiety
Infertility
Endometrial hyperplasia and cancer
What medication can be used for women that are above 30kg/m2? (pcos)
Orlistat (lipase inhibitor)
How can the risk of endometrial cancer be reduced in women with PCOS?
Mirena coil (continuous endometrial protection).
Inducing a withdrawal bleed - either with cyclical progestogens or COCP.
Weight loss is a management option for the infertility associated with PCOS, name 3 more.
Clomifene
Laparoscopic ovarian drilling (diathermy or laser therapy)
IVF
What is the firstline treatment for hirsuitism?
Topical eflornithine
Itching is one of the main sx of Obstetric cholestasis, name 4 more.
Fatigue
Dark urine
Pale, greasy stools
Jaundice
Previous hx is a risk factor for obstetric cholestatsis, name 4 more.
Fhx
Hx of liver problems, hepatitis, gallbladder issues.
Pregnancy above 35
Multiple pregnancy
What are the differential diagnoses that should be excluded for obstetric cholestasis?
Acute fatty liver
Gallstones
Autoimmune hepatitis
Viral hepatitis
What are the characteristic blood results for obstetric cholestasis?
Abnormal LFTs - ALT, AST and GGT
Raised bile acids
Which LFT is usually raised in pregnancy? Why?
ALP - The placenta produces ALP.
How can the itching experienced in obstetric cholestasis be managed? What can be prescribed for sleep?
Emollients
Antihistamine (chlorphenamine)
When should delivery be induced in obstetric cholestasis and why?
37-38 weeks
Risk of stillbirth
Which SSRIs are safe for breastfeeding women?
Sertraline
Paroxetine
Previous caesarean sections, previous placenta praevia and older maternal age are 3 risk factors for placenta praevia, name 3 more.
Maternal smoking
IVF
Uterine structural abnormalities.
Judy had placenta praevia noted when she had her 20 week anomly scan, when should she have repeat transvaginal USS?
32 week
36 weeks (if present at 32 to guide delivery options)
What are the extra management and precautions that should be put in place for women with placenta praevia?
Corticosteroids between (34-36) - risk of prematurity
Planned delivery at 36-37 weeks (planned caesarean is needed)
When may an emergency caesarean be indicated for placenta praevia?
Antenatal bleeding
Premature labour
If an antepartum haemorrhage does occur what mx options may be required?
Emergency c-section
Blood transfusion
Intrauterine balloon tamponade
Uterine artery embolisation/occlusion
Emergency hysterectomy